Electrolux COOKING, OVC 2000, OVC 1000, HOC 2000 Service Manual

SERVICE MANUAL
© Electrolux Distriparts
Muggenhofer Straße 135 D-90429 Nürnberg Germany
Fax +49 (0)91 1 323 1022 DGS-TDS-N
599 521 367
685
05.09
EN
Edition:
COOKING
Built-in appliances and floor-mounted
stoves
with „Avantgarde“
input electronics
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DGS-TDS-N 05.09 A. B. © Electrolux 599 521 367 EN
Table of contents
1. ESD=electrostatic discharge .............................................................................................. 3
2. Software specifications, Functions ..................................................................................... 4
2.1 Illustration of the input electronics (UI) Avantgarde.............................................................. 4
2.2 Button / and display layouts of all appliance groups, countries and brand .......................... 4
2.3 Main features of operation ...................................................................................................5
2.3.1 Clock setting following network reset .................................................................................. 5
2.3.2 Electronic child-safe function .............................................................................................. 5
3. Functions of appliance ........................................................................................................6
3.1 Oven functions, capacities and small consumer - appliance-specific ............................... 6
3.2 Pyrolitical cleaning - Explanation ......................................................................................... 8
3.3 High-speed heating - Explanation........................................................................................ 9
3.4 Safety function safety cutoff of oven.................................................................................. 10
3.5 Safety function safety cutoff of cooking zones .................................................................. 10
4. Functional parts - Component data, installation situation, dismantling.............................. 11
4.1 Functional parts - Oven control ......................................................................................... 11
4.1.1 Input electronic (UI) Avantgarde.........................................................................................11
4.1.2 Power electronic OVC2000............................................................................................... 13
4.1.3 Temperatursensor PT500................................................................................................. 14
4.1.4 Door locking systems ........................................................................................................ 15
4.1.4.1 Door lock ........................................................................................................................... 15
4.1.4.2 Door locking system, motorics with door-switch light ....................................................... 17
4.1.5 Door switch for the light.....................................................................................................17
4.1.6 Light bar in the control panel ............................................................................................. 18
4.2 Functional parts - Cooking setting control ......................................................................... 19
4.2.1 Power controller ................................................................................................................ 19
4.2.2 Input electronic HOC2000 and Input module..................................................................... 20
4.2.3 cooking zone power board HOC2000 ............................................................................... 22
5. Technical equipment ......................................................................................................... 24
5.1 Temperature safety device................................................................................................ 24
5.2 Fan after-running............................................................................................................... 24
5.3 Measure against wrong electrical connection ................................................................... 24
5.4 Oven rack protective circuit............................................................................................... 25
6. Fault diagnosis/ What to do if ...? ...................................................................................... 26
6.1 Alarmmanagement (Faultcodes) ....................................................................................... 26
6.2 Measuring the temperature sensor ................................................................................... 27
6.3 Demo Mode input electronic Avantgarde........................................................................... 28
6.3.1 Activating/deactivating Version a ....................................................................................... 28
6.3.2 Activating / deactivating Version b ..................................................................................... 29
6.4 Factory test / Türverriegelungstest.................................................................................... 30
7. Wiring diagram / measuring points ................................................................................... 31
7.1 Connection Point Overview ............................................................................................... 31
7.2 Example circuit diagram OVC 1000.................................................................................. 32
7.3 Example circuit diagram OVC 2000.................................................................................. 33
7.4 Example circuit diagram SOEC ........................................................................................ 34
7.5 Example circuit diagram Prisma ....................................................................................... 35
7.6 Example circuit diagram HOC 2000.................................................................................. 36
7.7 Operative Equipment Overview.........................................................................................37
Changes..........................................................................................................................................38
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DGS-TDS-N 05.09 A. B. © Electrolux 599 521 367 EN
1. ESD=electrostatic discharge
As the single electronic interfaces are not protected internally against statical electricity and are partially open, you must pay attention to that, in case of a repair, there will be a potential compensation via the housing of the appliance (touch it) in order to neutralize a possible charging and to prevent a damaging of the affected electronic interface.
You also have to be careful with those electronics delivered as spare parts, which have to be put out of the ESD protective package only after a potential compensation (discharge of possible statical electricity).
If a potential compensation with an existing static electricity is not executed, it does not mean that the electronic is demaged directly. Consequential damages may result due to the damaging of internal structures which arise only in case of load through temperature and current.
Endangered are all assembly groups which are provided with control entries, wire paths lying open and free-accessible processors.
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ect o u SC
1 2 3 4 5 6 7 8 9
10 14 11 12
13 7
2. Software specifications, Functions
2.1 Illustration of the input electronics (UI) Avantgarde
2.2 Button / and display layouts of all appliance groups, countries and brand
- Button layout for built-in appliances of the AEG brand
- Button layout for the M2 floor-mounted cooker
- Button layout for the M2 flour mounted cooker with double-oven
Key 1 and 2 - Selection button oven function forwards/backwards Key 3 - Avantgarde menu button Key 4 - Confirmation button OK Key 5 - Main Button Key 6 - Fast heating selection switch Key 7 - Selection switch MODE (e.g. clock, meat thermometer, etc.) Key 8 and 9 - Minus/Plus (e.g. for clock, meat thermometer, etc.) Key 10 - Meat thermometer selection switch Key 11 and 12 - Minus/Plus (e.g. for clock, meat thermometer, etc.) Key 13 - Double-oven selection switch Key 14 - Clock selection switch
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- Display layouts of all appliance groups, countries and brand
2.3 Main features of operation
2.3.1 Clock setting following network reset
Information: The oven only functions with set time!
When the appliance must be connected again with the mains e.g. after a repair, you have to set the clock anew. Proceed as follows:
a) Following connection or a power loss and depending on the display class, either the symbol
for the time of day blinks or the arrow in front of the the ‘time of day’ symbol blinks.
b) With the +/- buttons, it can also be a separate component when necessary (input module) to
set the time of day.
c) If need be, confirm with the MODE button (=Timer button) The appliance is ready for
operation.
2.3.2 Electronic child-safe function
Basic prerequisites: - Power supply voltage is connected
- No oven function selected.
- If the appliance is equipped with a Main Switch, then this must be activated
To activate and deactivate the child-safety function, the MODE button (=Timer button) must be activated together with the „„Minus“ button, or, with appliances featuring a Temperature Selection Switch, this must be put into the „Minus“ position when activating the MODE button (=Timer button).
Caution: the child-proof lock remains activated even when there is a voltage drop. Additional important information on this subject is included in Chapter 3.6 "Special instructions on
hob/oven communication in floor-mounted appliances".
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3. Functions of appliance
3.1 Oven functions, capacities and small consumer - appliance-specific
Brand / Market: AEG Germany and Export Oven clas s with/without pyrolytical cleaning Ele c tron ic: OVC2000
grill element
top
element
bottom
element
rear
element
cooking
fan cooling fan
oven lamp
back wall
oven lamp
side wal l Power (W) oven function suggest ed tem perature Boost 1900 1000 1000 1900 40 25 40 25 Pos.0 (OFF)
Pos.1 150 B- XXXXX X X3030 Pos.2 200 A- -XXXX X X3030
Pos .3 (top-/bottom el. ) 200 B - X X - - X X X 2090
Pos.4 180 A X X - - X X X X 3030 Pos.5 300 X X - - - X X X 2990 Pos.6 300 X----XX X1990
Pos.7 (k eeping warm) 80 - X X - - X X X 2090
Pos.8 30 - ---X- X X105 Pos.9 150 - - X - - X X X 1090
Pos.10 120/80 - XXXXX X X3030
Manual booster A X X X
BX X X
small loads (Watt)heating elements (Watt)
current ampere
(W)
13,2 13,2
9,1 13,2 13,0
8,7
9,1
0,5
4,7 13,2
Brand / Mar ket:
AEG Export Frankreich
Oven class
Avantgarde-with/without pyrolytical cleaning
Ele ctr o nic:
OVC 2000
grill el e m ent
top
element
bottom
element
rear
element
cooking
fan co o l i n g fan
oven lamp
back wall
oven lamp
side wall
Motor
Grillspieß
oven function suggested temperature Boost 1900 1000 1000 1900 40 25 40 25 5
Pos.0 (OFF)
Pos.1 150 B- XXXX X X X ­Pos.2 200 A- -XXX X X X -
Pos .3 (top-/bottom el.) 2 00 B - X X - - X X X -
Pos.4 180 C X X - - X X X X X Pos.5 300 X X - - - X X X X Pos.6 300 X - - - - X X X X
Pos . 7 (keeping warm ) 80 - X X - - X X X -
Pos.8 30 - - - - X - X X ­Pos.9 150 - - X - - X X X -
Pos.10 120/80 - X X X X X X X -
Manual b ooster A X X X
BX X X CXXX X
heati n g elements (Watt) small loads (Watt)
Power (W)
current am pere
(W)
3030 13,2 3030 13,2 2090 9,1 3035 13,2 2995 13,0 1995 8,7 2090 9,1
105 0,5 1090 4,7 3030 13,2
Brand / Market: AEG UK Oven class Avantgarde-with/without pyrolytical cleaning Electronic: OVC 2000
grill element
top
element
bottom
element
rear
element
cooking
fan cooli ng fan
oven lamp
back wall
oven lamp
side wall P ower (W ) oven function suggested temperature B oost 1900 1000 1000 1900 40 25 40 25 Pos.0 (OFF) - - ------ -
Pos.1 300 X X - - - X X X 2990 Pos.2 300 X----XXX1990 Pos.3 150 B- XXXXXX X3030 Pos.4 200 A- - XXXXX X3030
Pos. 5 (t op-/ bottom el. ) 200 B - X X - - X X X 2090
Pos.6 180 A X X - - X X X X 3030 Pos.7 150 B - X X - X X X X 2130 Pos.8 150 - - X - - X X X 1090 Pos.9 30 - ---X-XX105
Pos. 10 (k eepi ng warm) 80 - X X - - X X X 2090
Pos.11 120/80 - XXXXXX X3030
Manual boost er A X X X
BX X X
small loads (Watt)heating element s (Watt)
current ampere
(W)
13,0
8,7 13,2 13,2
9,1 13,2
9,3
4,7
0,5
9,1 13,2
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Brand / Market: Electrolux-Standherde (M2) Oven class Avantgarde-with/without pyrolytical cleaning Electronic: OVC2000
grill
element
top
element
bottom
element
rear
element
cooking
fan cooling fan
oven lamp back wall
oven lamp
side wal l P ower (W) oven functi on suggested temperature Boost 1900 1000 1000 1900 40 25 40 25 Pos. 0 (OFF)
Pos. 1 180 - - - X X X X X 2030
Pos.2 (top-/bott om el .) 200 A - X X - - X X X 2090
Pos. 3 190 - - X X X X X X 3030 Pos. 4 200 X X - - X X X X 3030 Pos. 5 250 X X - - - X X X 2990
Pos. 6 (keeping warm) 80 - X X - - X X X 2090
Pos. 7 30 - - X - X - X X 1105 Pos. 8 30 - - - - X - X X 105 Pos. 9 120/ 80 - - - X X X X X 2030
Booster "AUTO" A X X X
small l oads (Watt)heating elem ent s (Watt)
current ampere
(W)
8,8
9,1 13,2 13,2 13,0
9,1
4,8
0,5
8,8
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100
200
300
400
500
min
° C
P1P2P3
90 120
150
Fig. heating-up curve temperature (°C) / time (min
With the Pyroluxe self-cleaning system the residues in the interior are carbonized to ashes at high temperatures. The centre of gravity temperature of the muffle is approx. 500°C.
A max. selection of three pyrolysis durations (P…) can be made per appliance class and equipment.
Pyrolysis duration (Heating period) P1 > Heating period 150min
P2 > Heating period 120min P3 > Heating period 90min
Note: In appliances which are equipped with two pyrolysis durations, P2 corresponds to the
pyrolysis duration P3.
3.2 Pyrolitical cleaning - Explanation
end of heating phase
cooling phase
door locked
door unlocked
room temperature
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The oven door is locked at a centre of gravity temperature of the muffle of approx. 312°C, after a heating-up time of approx. 11 min.
The oven door is unlocked at a centre of gravity temperature of the muffle of approx. 204°C. The moment depends on the selected pyrolytic duration.
The cooling fan is running at an increased speed until the moment of unlocking. At a centre of gravity temperature of the muffle of approx. 130°C it switches off.
Attention écart pour les appareils stationnaires
3.3 High-speed heating - Explanation
Explanation: Quick-Heating means reaching the selected oven temperature as quickly as
possible. After reaching the oven temperature, it switches back to the originally selected oven function (heating element configuration).
The Quick-Heating function is displayed depending on the appliance either by a symbol or by animated bar.
Note: Quick-Heating function - manual operation
Quick-Heating function „AUTO“ - Automatically active, not switchable
The type of Quick-Heating function available is in Chapter 3.1.
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3.4 Safety function safety cutoff of oven
If the oven is not switched off after a specific period of time or if the temperature is not changed, then it switches off automatically.
The oven switches off at an oven temperature of:
3.5 Safety function safety cutoff of cooking zones
If the cooking zones are not switched off after a certain period of time, or the temperature not changed, they switch off automatically.
The temporal cutoff depends on the set cooking level:
Putting into operation after a safety cutoff:
- Switch off appliance, or set selection switch to the 0 position
Note: The safety cutoff is cancelled, when the clock function „duration“ or „end“ has been set.
Furthermore, it is not active with the functions, low-temperature cooking (bio cooking) and Pyrolyse.
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DGS-TDS-N 05.09 A. B. © Electrolux 599 521 367 EN
4. Functional parts - Component data, installation situation, dismantling
4.1 Functional parts - Oven control
4.1.1 Input electronic (UI) Avantgarde
In addition to diverse semi-conductor modules, the Avantgarde input electronics mainly includes a LCD display and a microprocessor. This controls the electronic control unit via a personalised pro­gram. The required oven functions are entered via a so-called touchboard.
Fig. user interface in built-in condition Fig. Locking hook E-box
Electric data: - 5V supply voltage
- Operating current 50mA for the electronic
- max. 110mA for LCD
- max. 150mA for touch incl. Lighting
The user interface is positioned firmly in a plastic housing (E-box). The whole unit is locked in the panel support. After pressing in the notch (see figure) and drawing it afterwards to the right side of the appliance, the user interface can be removed backward, in direction of the appliance's interior. With upright stoves, there may be different scenarios of fitting positions.
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DGS-TDS-N 05.09 A. B. © Electrolux 599 521 367 EN
At works the touch board is stuck directly onto the switch panel. Even in the need of replacement the switch panel and the touch board form one unit. It is provided with nine sensors which transmit the received impulses to the user interface. This happens via a data link in form of a foil conductor.
Fig. Touch board stuck with switch panel Fig. Foil conductor
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